package com.zbs.framework.common.utils;


import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;

import javax.servlet.http.HttpServletRequest;

/**
 * @description: 获取请求地址
 * @author: Wzq
 * @create: 2020-05-20 09:53
 */
public class IPAddressUtils {

    /**
     * 获取用户真实IP地址，不使用request.getRemoteAddr()的原因是有可能用户使用了代理软件方式避免真实IP地址,
     * 可是，如果通过了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP值
     *
     * @return ip
     */
    public static String getIpAddr(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (ip != null && ip.length() != 0 && !"unknown".equalsIgnoreCase(ip)) {
            // 多次反向代理后会有多个ip值，第一个ip才是真实ip
            if(ip.contains(",")){
                ip = ip.split(",")[0];
            }
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_CLIENT_IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Real-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }

    /**
     * 根据ip获取地址
     * @param ip
     * @return
     */
    public static String getAddress(String ip) {
        String url = "http://ip.ws.126.net/ipquery?ip=" + ip;
        String str = HttpUtil.get(url);
        if(!StrUtil.hasBlank(str)){
            String substring = str.substring(str.indexOf("{"), str.indexOf("}")+1);
            JSONObject jsonObject = JSONUtil.parseObj(substring);
            String province = jsonObject.getStr("province");
            String city = jsonObject.getStr("city");
            return province + " " + city;
        }
        return null;
    }



    public static void main(String[] args) {
        String ip = "116.247.80.106";
        String result = getAddress(ip);
        System.out.println(result);
        if(StrUtil.hasBlank("")){
            System.out.println(1);
        }
    }


}
